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 * Copyright (c) 2012, 2014, Oracle and/or its affiliates.
 * All rights reserved. Use is subject to license terms.
 *
 * This file is available and licensed under the following license:
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  - Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the distribution.
 *  - Neither the name of Oracle nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.onlyxiahui.control.comboboxsample;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.ListCell;
import javafx.scene.control.ListView;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.util.Callback;

public class ComboBoxSample extends Application {
	public static void main(String[] args) {
		launch(args);
	}

	final Button button = new Button("Send");
	final Label notification = new Label();
	final TextField subject = new TextField("");
	final TextArea text = new TextArea("");

	String address = " ";

	@Override
	public void start(Stage stage) {
		stage.setTitle("ComboBoxSample");
		Scene scene = new Scene(new Group(), 500, 270);
		scene.getStylesheets().add(this.getClass().getResource("/com/only/common/css/only.css").toString());
		final ComboBox<String> emailComboBox = new ComboBox<>();
		emailComboBox.getItems().addAll(
				"jacob.smith@example.com",
				"isabella.johnson@example.com",
				"ethan.williams@example.com",
				"emma.jones@example.com",
				"michael.brown@example.com");

		emailComboBox.setPromptText("Email address");
		emailComboBox.setEditable(true);

		emailComboBox.setOnAction((ev) -> {
			address = emailComboBox.getSelectionModel().getSelectedItem().toString();
		});

		final ComboBox<String> priorityComboBox = new ComboBox<>();
		priorityComboBox.getItems().addAll(
				"Highest",
				"High",
				"Normal",
				"Low",
				"Lowest");
		priorityComboBox.setValue("Normal");
		priorityComboBox.setCellFactory(
				new Callback<ListView<String>, ListCell<String>>() {
					@Override
					public ListCell<String> call(ListView<String> param) {
						final ListCell<String> cell = new ListCell<String>() {
							{
								super.setPrefWidth(100);
							}

							@Override
							public void updateItem(String item,
									boolean empty) {
								super.updateItem(item, empty);
								if (item != null) {
									setText(item);
									if (item.contains("High")) {
										setTextFill(Color.RED);
									} else if (item.contains("Low")) {
										setTextFill(Color.GREEN);
									} else {
										setTextFill(Color.BLACK);
									}
								} else {
									setText(null);
								}
							}
						};
						return cell;
					}

				});

		button.setOnAction((ActionEvent e) -> {
			if (emailComboBox.getValue() != null &&
					!emailComboBox.getValue().toString().isEmpty()) {
				notification.setText("Your message was successfully sent"
						+ " to " + address);
				emailComboBox.setValue(null);
				if (priorityComboBox.getValue() != null &&
						!priorityComboBox.getValue().toString().isEmpty()) {
					priorityComboBox.setValue(null);
				}
				subject.clear();
				text.clear();
			} else {
				notification.setText("You have not selected a recipient!");
			}
		});

		GridPane grid = new GridPane();
		grid.setVgap(4);
		grid.setHgap(10);
		grid.setPadding(new Insets(5, 5, 5, 5));
		grid.add(new Label("To: "), 0, 0);
		grid.add(emailComboBox, 1, 0);
		grid.add(new Label("Priority: "), 2, 0);
		grid.add(priorityComboBox, 3, 0);
		grid.add(new Label("Subject: "), 0, 1);
		grid.add(subject, 1, 1, 3, 1);
		grid.add(text, 0, 2, 4, 1);
		grid.add(button, 0, 3);
		grid.add(notification, 1, 3, 3, 1);

		Group root = (Group) scene.getRoot();
		root.getChildren().add(grid);
		stage.setScene(scene);
		stage.show();

	}
}